Methane Emission from Livestock in Japan
1993 年 48 巻 5 号 p. 707-710
詳細
1993 年 48 巻 5 号 p. 707-710
Relationships between dietary factors and methane production were investigated to predict total methane emission from livestock in Japan. Methane production differed with the type of diet. A high concentrate diet reduced methane production significantly. However, methane production per unit dry matter intake (DMI) was relatively constant. Therefore, Methane production by ruminants could be estimated adequately from DMI alone through 3 species of ruminants and various levels of feeding. From the results of regression analyses, annual methane emission from all livestock including ruminants, pigs and horses was estimated to be 0.35Tg/year in Japan.
